mastic gum (pistacia lentiscus): is a resinous substance derived from the pistacia lentiscus tree. it has been used for centuries its medicinal properties and known potential benefits in supporting digestive health. some of include reducing stomach acid, promoting health gastrointestinal tract, providing relief symptoms such as indigestion heartburn. dgl (deglycyrrhizinated licorice): form licorice root extract that had compound glycyrrhizin removed. this makes safe long-term use without side effects associated with regular licorice, high blood pressure. commonly to support health, particularly cases acid reflux, ulcers, inflammation lining. believed have soothing protective on tract. methylmethionine sulfonium (vitamin u): also vitamin u, natural found cabbage other cruciferous vegetables. despite name, not an actual vitamin. u studied specifically healing gastric duodenal ulcers. anti-inflammatory tissue-protective properties. zinc l-carnosine: chelated amino l-carnosine. ulcers disorders. l-carnosine help protect lining, reduce inflammation, promote overall c: c, ascorbic well-known essential nutrient multiple roles body.